Home / 7,042.04-9,717.74-4,210.99

Finding the Fourth Proportional to 7,042.04, 9,717.74 and 4,210.99

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Solution

The fourth proportional to 7,042.04, 9,717.74 and 4,210.99 is: 5,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.04 : 9,717.74 = 4,210.99 : x
  2. Step 2: Convert to fraction form
    7,042.04/9,717.74 = 4,210.99/x
  3. Step 3: Cross multiply
    7,042.04x = 9,717.74 × 4,210.99
  4. Step 4: Simplify right side
    7,042.04x = 40,921,305.96
  5. Step 5: Solve for x
    x = 40,921,305.96/7,042.04
  6. Step 6: Final answer
    x = 5,811.00

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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.