Home / 5,303.23-7,319.88-3,312.58

Finding the Fourth Proportional to 5,303.23, 7,319.88 and 3,312.58

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Solution

The fourth proportional to 5,303.23, 7,319.88 and 3,312.58 is: 4,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.23 : 7,319.88 = 3,312.58 : x
  2. Step 2: Convert to fraction form
    5,303.23/7,319.88 = 3,312.58/x
  3. Step 3: Cross multiply
    5,303.23x = 7,319.88 × 3,312.58
  4. Step 4: Simplify right side
    5,303.23x = 24,247,688.09
  5. Step 5: Solve for x
    x = 24,247,688.09/5,303.23
  6. Step 6: Final answer
    x = 4,572.25

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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.