Home / 2,925.27-4,035.72-1,862.76

Finding the Fourth Proportional to 2,925.27, 4,035.72 and 1,862.76

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Solution

The fourth proportional to 2,925.27, 4,035.72 and 1,862.76 is: 2,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.27 : 4,035.72 = 1,862.76 : x
  2. Step 2: Convert to fraction form
    2,925.27/4,035.72 = 1,862.76/x
  3. Step 3: Cross multiply
    2,925.27x = 4,035.72 × 1,862.76
  4. Step 4: Simplify right side
    2,925.27x = 7,517,577.79
  5. Step 5: Solve for x
    x = 7,517,577.79/2,925.27
  6. Step 6: Final answer
    x = 2,569.87

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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.