Home / 1,913.97-2,870.95-527.45

Finding the Fourth Proportional to 1,913.97, 2,870.95 and 527.45

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Solution

The fourth proportional to 1,913.97, 2,870.95 and 527.45 is: 791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.97 : 2,870.95 = 527.45 : x
  2. Step 2: Convert to fraction form
    1,913.97/2,870.95 = 527.45/x
  3. Step 3: Cross multiply
    1,913.97x = 2,870.95 × 527.45
  4. Step 4: Simplify right side
    1,913.97x = 1,514,281.26
  5. Step 5: Solve for x
    x = 1,514,281.26/1,913.97
  6. Step 6: Final answer
    x = 791.17

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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.