Home / 4,952.30-7,428.15-1,254.51

Finding the Fourth Proportional to 4,952.30, 7,428.15 and 1,254.51

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Solution

The fourth proportional to 4,952.30, 7,428.15 and 1,254.51 is: 1,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.30 : 7,428.15 = 1,254.51 : x
  2. Step 2: Convert to fraction form
    4,952.30/7,428.15 = 1,254.51/x
  3. Step 3: Cross multiply
    4,952.30x = 7,428.15 × 1,254.51
  4. Step 4: Simplify right side
    4,952.30x = 9,318,688.46
  5. Step 5: Solve for x
    x = 9,318,688.46/4,952.30
  6. Step 6: Final answer
    x = 1,881.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.