Home / 1,913.94-2,868.47-1,666.13

Finding the Fourth Proportional to 1,913.94, 2,868.47 and 1,666.13

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Solution

The fourth proportional to 1,913.94, 2,868.47 and 1,666.13 is: 2,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.94 : 2,868.47 = 1,666.13 : x
  2. Step 2: Convert to fraction form
    1,913.94/2,868.47 = 1,666.13/x
  3. Step 3: Cross multiply
    1,913.94x = 2,868.47 × 1,666.13
  4. Step 4: Simplify right side
    1,913.94x = 4,779,248.43
  5. Step 5: Solve for x
    x = 4,779,248.43/1,913.94
  6. Step 6: Final answer
    x = 2,497.07

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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.