Home / 7,742.28-10,681.56-4,598.40

Finding the Fourth Proportional to 7,742.28, 10,681.56 and 4,598.40

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Solution

The fourth proportional to 7,742.28, 10,681.56 and 4,598.40 is: 6,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.28 : 10,681.56 = 4,598.40 : x
  2. Step 2: Convert to fraction form
    7,742.28/10,681.56 = 4,598.40/x
  3. Step 3: Cross multiply
    7,742.28x = 10,681.56 × 4,598.40
  4. Step 4: Simplify right side
    7,742.28x = 49,118,085.50
  5. Step 5: Solve for x
    x = 49,118,085.50/7,742.28
  6. Step 6: Final answer
    x = 6,344.14

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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.