Home / 5,382.51-7,428.17-3,586.87

Finding the Fourth Proportional to 5,382.51, 7,428.17 and 3,586.87

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Solution

The fourth proportional to 5,382.51, 7,428.17 and 3,586.87 is: 4,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.51 : 7,428.17 = 3,586.87 : x
  2. Step 2: Convert to fraction form
    5,382.51/7,428.17 = 3,586.87/x
  3. Step 3: Cross multiply
    5,382.51x = 7,428.17 × 3,586.87
  4. Step 4: Simplify right side
    5,382.51x = 26,643,880.13
  5. Step 5: Solve for x
    x = 26,643,880.13/5,382.51
  6. Step 6: Final answer
    x = 4,950.08

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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.