Home / 7,055.58-10,585.12-4,979.63

Finding the Fourth Proportional to 7,055.58, 10,585.12 and 4,979.63

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Solution

The fourth proportional to 7,055.58, 10,585.12 and 4,979.63 is: 7,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.58 : 10,585.12 = 4,979.63 : x
  2. Step 2: Convert to fraction form
    7,055.58/10,585.12 = 4,979.63/x
  3. Step 3: Cross multiply
    7,055.58x = 10,585.12 × 4,979.63
  4. Step 4: Simplify right side
    7,055.58x = 52,709,981.11
  5. Step 5: Solve for x
    x = 52,709,981.11/7,055.58
  6. Step 6: Final answer
    x = 7,470.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.