Home / 2,925.18-4,036.64-1,666.31

Finding the Fourth Proportional to 2,925.18, 4,036.64 and 1,666.31

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Solution

The fourth proportional to 2,925.18, 4,036.64 and 1,666.31 is: 2,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.18 : 4,036.64 = 1,666.31 : x
  2. Step 2: Convert to fraction form
    2,925.18/4,036.64 = 1,666.31/x
  3. Step 3: Cross multiply
    2,925.18x = 4,036.64 × 1,666.31
  4. Step 4: Simplify right side
    2,925.18x = 6,726,265.08
  5. Step 5: Solve for x
    x = 6,726,265.08/2,925.18
  6. Step 6: Final answer
    x = 2,299.44

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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.