Home / 5,303.12-7,318.35-3,314.85

Finding the Fourth Proportional to 5,303.12, 7,318.35 and 3,314.85

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Solution

The fourth proportional to 5,303.12, 7,318.35 and 3,314.85 is: 4,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.12 : 7,318.35 = 3,314.85 : x
  2. Step 2: Convert to fraction form
    5,303.12/7,318.35 = 3,314.85/x
  3. Step 3: Cross multiply
    5,303.12x = 7,318.35 × 3,314.85
  4. Step 4: Simplify right side
    5,303.12x = 24,259,225.64
  5. Step 5: Solve for x
    x = 24,259,225.64/5,303.12
  6. Step 6: Final answer
    x = 4,574.52

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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.