Home / 4,681.28-6,460.57-2,585.81

Finding the Fourth Proportional to 4,681.28, 6,460.57 and 2,585.81

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Solution

The fourth proportional to 4,681.28, 6,460.57 and 2,585.81 is: 3,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.28 : 6,460.57 = 2,585.81 : x
  2. Step 2: Convert to fraction form
    4,681.28/6,460.57 = 2,585.81/x
  3. Step 3: Cross multiply
    4,681.28x = 6,460.57 × 2,585.81
  4. Step 4: Simplify right side
    4,681.28x = 16,705,806.51
  5. Step 5: Solve for x
    x = 16,705,806.51/4,681.28
  6. Step 6: Final answer
    x = 3,568.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.