Home / 5,877.80-8,816.70-4,495.40

Finding the Fourth Proportional to 5,877.80, 8,816.70 and 4,495.40

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Solution

The fourth proportional to 5,877.80, 8,816.70 and 4,495.40 is: 6,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.80 : 8,816.70 = 4,495.40 : x
  2. Step 2: Convert to fraction form
    5,877.80/8,816.70 = 4,495.40/x
  3. Step 3: Cross multiply
    5,877.80x = 8,816.70 × 4,495.40
  4. Step 4: Simplify right side
    5,877.80x = 39,634,593.18
  5. Step 5: Solve for x
    x = 39,634,593.18/5,877.80
  6. Step 6: Final answer
    x = 6,743.10

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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.