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Finding the Fourth Proportional to 2,681.40, 3,700.14 and 1,502.46

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Solution

The fourth proportional to 2,681.40, 3,700.14 and 1,502.46 is: 2,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.40 : 3,700.14 = 1,502.46 : x
  2. Step 2: Convert to fraction form
    2,681.40/3,700.14 = 1,502.46/x
  3. Step 3: Cross multiply
    2,681.40x = 3,700.14 × 1,502.46
  4. Step 4: Simplify right side
    2,681.40x = 5,559,312.34
  5. Step 5: Solve for x
    x = 5,559,312.34/2,681.40
  6. Step 6: Final answer
    x = 2,073.29

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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.