Home / 3,315.15-4,574.90-1,823.06

Finding the Fourth Proportional to 3,315.15, 4,574.90 and 1,823.06

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Solution

The fourth proportional to 3,315.15, 4,574.90 and 1,823.06 is: 2,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.15 : 4,574.90 = 1,823.06 : x
  2. Step 2: Convert to fraction form
    3,315.15/4,574.90 = 1,823.06/x
  3. Step 3: Cross multiply
    3,315.15x = 4,574.90 × 1,823.06
  4. Step 4: Simplify right side
    3,315.15x = 8,340,333.19
  5. Step 5: Solve for x
    x = 8,340,333.19/3,315.15
  6. Step 6: Final answer
    x = 2,515.82

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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.