Home / 1,897.38-2,614.98-1,455.87

Finding the Fourth Proportional to 1,897.38, 2,614.98 and 1,455.87

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Solution

The fourth proportional to 1,897.38, 2,614.98 and 1,455.87 is: 2,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.38 : 2,614.98 = 1,455.87 : x
  2. Step 2: Convert to fraction form
    1,897.38/2,614.98 = 1,455.87/x
  3. Step 3: Cross multiply
    1,897.38x = 2,614.98 × 1,455.87
  4. Step 4: Simplify right side
    1,897.38x = 3,807,070.93
  5. Step 5: Solve for x
    x = 3,807,070.93/1,897.38
  6. Step 6: Final answer
    x = 2,006.49

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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.