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Finding the Fourth Proportional to 5,870.39, 8,805.58 and 1,488.20

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Solution

The fourth proportional to 5,870.39, 8,805.58 and 1,488.20 is: 2,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.39 : 8,805.58 = 1,488.20 : x
  2. Step 2: Convert to fraction form
    5,870.39/8,805.58 = 1,488.20/x
  3. Step 3: Cross multiply
    5,870.39x = 8,805.58 × 1,488.20
  4. Step 4: Simplify right side
    5,870.39x = 13,104,416.41
  5. Step 5: Solve for x
    x = 13,104,416.41/5,870.39
  6. Step 6: Final answer
    x = 2,232.29

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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.