Home / 7,670.45-10,585.04-5,017.80

Finding the Fourth Proportional to 7,670.45, 10,585.04 and 5,017.80

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Solution

The fourth proportional to 7,670.45, 10,585.04 and 5,017.80 is: 6,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.45 : 10,585.04 = 5,017.80 : x
  2. Step 2: Convert to fraction form
    7,670.45/10,585.04 = 5,017.80/x
  3. Step 3: Cross multiply
    7,670.45x = 10,585.04 × 5,017.80
  4. Step 4: Simplify right side
    7,670.45x = 53,113,613.71
  5. Step 5: Solve for x
    x = 53,113,613.71/7,670.45
  6. Step 6: Final answer
    x = 6,924.45

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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.