Home / 3,315.16-4,575-1,823.23

Finding the Fourth Proportional to 3,315.16, 4,575 and 1,823.23

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Solution

The fourth proportional to 3,315.16, 4,575 and 1,823.23 is: 2,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.16 : 4,575 = 1,823.23 : x
  2. Step 2: Convert to fraction form
    3,315.16/4,575 = 1,823.23/x
  3. Step 3: Cross multiply
    3,315.16x = 4,575 × 1,823.23
  4. Step 4: Simplify right side
    3,315.16x = 8,341,277.25
  5. Step 5: Solve for x
    x = 8,341,277.25/3,315.16
  6. Step 6: Final answer
    x = 2,516.10

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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.