Home / 6,225.42-8,590.93-3,430.90

Finding the Fourth Proportional to 6,225.42, 8,590.93 and 3,430.90

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Solution

The fourth proportional to 6,225.42, 8,590.93 and 3,430.90 is: 4,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.42 : 8,590.93 = 3,430.90 : x
  2. Step 2: Convert to fraction form
    6,225.42/8,590.93 = 3,430.90/x
  3. Step 3: Cross multiply
    6,225.42x = 8,590.93 × 3,430.90
  4. Step 4: Simplify right side
    6,225.42x = 29,474,621.74
  5. Step 5: Solve for x
    x = 29,474,621.74/6,225.42
  6. Step 6: Final answer
    x = 4,734.56

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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.