Home / 2,877.48-4,315.32-929.25

Finding the Fourth Proportional to 2,877.48, 4,315.32 and 929.25

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Solution

The fourth proportional to 2,877.48, 4,315.32 and 929.25 is: 1,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.48 : 4,315.32 = 929.25 : x
  2. Step 2: Convert to fraction form
    2,877.48/4,315.32 = 929.25/x
  3. Step 3: Cross multiply
    2,877.48x = 4,315.32 × 929.25
  4. Step 4: Simplify right side
    2,877.48x = 4,010,011.11
  5. Step 5: Solve for x
    x = 4,010,011.11/2,877.48
  6. Step 6: Final answer
    x = 1,393.58

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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.