Home / 1,547.85-2,330.22-1,411.77

Finding the Fourth Proportional to 1,547.85, 2,330.22 and 1,411.77

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Solution

The fourth proportional to 1,547.85, 2,330.22 and 1,411.77 is: 2,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.85 : 2,330.22 = 1,411.77 : x
  2. Step 2: Convert to fraction form
    1,547.85/2,330.22 = 1,411.77/x
  3. Step 3: Cross multiply
    1,547.85x = 2,330.22 × 1,411.77
  4. Step 4: Simplify right side
    1,547.85x = 3,289,734.69
  5. Step 5: Solve for x
    x = 3,289,734.69/1,547.85
  6. Step 6: Final answer
    x = 2,125.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.