Home / 5,547.93-7,656.13-3,312.81

Finding the Fourth Proportional to 5,547.93, 7,656.13 and 3,312.81

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Solution

The fourth proportional to 5,547.93, 7,656.13 and 3,312.81 is: 4,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.93 : 7,656.13 = 3,312.81 : x
  2. Step 2: Convert to fraction form
    5,547.93/7,656.13 = 3,312.81/x
  3. Step 3: Cross multiply
    5,547.93x = 7,656.13 × 3,312.81
  4. Step 4: Simplify right side
    5,547.93x = 25,363,304.03
  5. Step 5: Solve for x
    x = 25,363,304.03/5,547.93
  6. Step 6: Final answer
    x = 4,571.67

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Half 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.