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Finding the Fourth Proportional to 2,975.04, 4,443.03 and 2,390.93

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Solution

The fourth proportional to 2,975.04, 4,443.03 and 2,390.93 is: 3,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.04 : 4,443.03 = 2,390.93 : x
  2. Step 2: Convert to fraction form
    2,975.04/4,443.03 = 2,390.93/x
  3. Step 3: Cross multiply
    2,975.04x = 4,443.03 × 2,390.93
  4. Step 4: Simplify right side
    2,975.04x = 10,622,961.76
  5. Step 5: Solve for x
    x = 10,622,961.76/2,975.04
  6. Step 6: Final answer
    x = 3,570.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.