Home / 7,670.51-10,585.86-4,686.91

Finding the Fourth Proportional to 7,670.51, 10,585.86 and 4,686.91

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Solution

The fourth proportional to 7,670.51, 10,585.86 and 4,686.91 is: 6,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.51 : 10,585.86 = 4,686.91 : x
  2. Step 2: Convert to fraction form
    7,670.51/10,585.86 = 4,686.91/x
  3. Step 3: Cross multiply
    7,670.51x = 10,585.86 × 4,686.91
  4. Step 4: Simplify right side
    7,670.51x = 49,614,988.60
  5. Step 5: Solve for x
    x = 49,614,988.60/7,670.51
  6. Step 6: Final answer
    x = 6,468.28

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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.