Home / 3,038.04-4,192.55-1,711.80

Finding the Fourth Proportional to 3,038.04, 4,192.55 and 1,711.80

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Solution

The fourth proportional to 3,038.04, 4,192.55 and 1,711.80 is: 2,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.04 : 4,192.55 = 1,711.80 : x
  2. Step 2: Convert to fraction form
    3,038.04/4,192.55 = 1,711.80/x
  3. Step 3: Cross multiply
    3,038.04x = 4,192.55 × 1,711.80
  4. Step 4: Simplify right side
    3,038.04x = 7,176,807.09
  5. Step 5: Solve for x
    x = 7,176,807.09/3,038.04
  6. Step 6: Final answer
    x = 2,362.31

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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.