Home / 5,807.60-8,014.58-3,155.06

Finding the Fourth Proportional to 5,807.60, 8,014.58 and 3,155.06

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Solution

The fourth proportional to 5,807.60, 8,014.58 and 3,155.06 is: 4,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.60 : 8,014.58 = 3,155.06 : x
  2. Step 2: Convert to fraction form
    5,807.60/8,014.58 = 3,155.06/x
  3. Step 3: Cross multiply
    5,807.60x = 8,014.58 × 3,155.06
  4. Step 4: Simplify right side
    5,807.60x = 25,286,465.00
  5. Step 5: Solve for x
    x = 25,286,465.00/5,807.60
  6. Step 6: Final answer
    x = 4,354.03

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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.