Home / 7,160.23-9,880.48-4,176.33

Finding the Fourth Proportional to 7,160.23, 9,880.48 and 4,176.33

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Solution

The fourth proportional to 7,160.23, 9,880.48 and 4,176.33 is: 5,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.23 : 9,880.48 = 4,176.33 : x
  2. Step 2: Convert to fraction form
    7,160.23/9,880.48 = 4,176.33/x
  3. Step 3: Cross multiply
    7,160.23x = 9,880.48 × 4,176.33
  4. Step 4: Simplify right side
    7,160.23x = 41,264,113.21
  5. Step 5: Solve for x
    x = 41,264,113.21/7,160.23
  6. Step 6: Final answer
    x = 5,762.96

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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.