Home / 5,870.20-8,807.31-2,585.65

Finding the Fourth Proportional to 5,870.20, 8,807.31 and 2,585.65

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Solution

The fourth proportional to 5,870.20, 8,807.31 and 2,585.65 is: 3,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.20 : 8,807.31 = 2,585.65 : x
  2. Step 2: Convert to fraction form
    5,870.20/8,807.31 = 2,585.65/x
  3. Step 3: Cross multiply
    5,870.20x = 8,807.31 × 2,585.65
  4. Step 4: Simplify right side
    5,870.20x = 22,772,621.10
  5. Step 5: Solve for x
    x = 22,772,621.10/5,870.20
  6. Step 6: Final answer
    x = 3,879.36

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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.