Home / 5,877.52-8,810.66-2,178.76

Finding the Fourth Proportional to 5,877.52, 8,810.66 and 2,178.76

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Solution

The fourth proportional to 5,877.52, 8,810.66 and 2,178.76 is: 3,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.52 : 8,810.66 = 2,178.76 : x
  2. Step 2: Convert to fraction form
    5,877.52/8,810.66 = 2,178.76/x
  3. Step 3: Cross multiply
    5,877.52x = 8,810.66 × 2,178.76
  4. Step 4: Simplify right side
    5,877.52x = 19,196,280.66
  5. Step 5: Solve for x
    x = 19,196,280.66/5,877.52
  6. Step 6: Final answer
    x = 3,266.05

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1.5x scale

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.