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Finding the Fourth Proportional to 5,810.86, 8,019.06 and 3,158.26

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Solution

The fourth proportional to 5,810.86, 8,019.06 and 3,158.26 is: 4,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.86 : 8,019.06 = 3,158.26 : x
  2. Step 2: Convert to fraction form
    5,810.86/8,019.06 = 3,158.26/x
  3. Step 3: Cross multiply
    5,810.86x = 8,019.06 × 3,158.26
  4. Step 4: Simplify right side
    5,810.86x = 25,326,307.42
  5. Step 5: Solve for x
    x = 25,326,307.42/5,810.86
  6. Step 6: Final answer
    x = 4,358.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.